disnan (3) - Linux Man Pages
LOGICAL function disnan (double precisionDIN)
DISNAN tests input for NaN.
DISNAN returns .TRUE. if its argument is NaN, and .FALSE. otherwise. To be replaced by the Fortran 2003 intrinsic in the future.
DIN is DOUBLE PRECISION Input to test for NaN.
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
- September 2012
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